Dental tray



FIG. 1 is a perspective view of a dental tray, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective view thereof, shown in a state of use.

The broken lines shown in the drawings represent portions of the dental tray that form no part of the claimed design. The right side view has been omitted because it is a mirror image of the left side view. 

CLAIM The ornamental design for a dental tray, as shown and described. 